Speaker



FIG. 1 is front-top-right perspective view of a speaker showing our newdesign;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines showing of the unclaimed environment forms no part ofthe claimed design.

The ornamental design for a speaker, as shown and described.